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XPS Study of the Dehydration of Clay and Kaolin Powders

Published

Author(s)

T N. Wittberg, P S. Wang

Abstract

X-ray photoelectron spectroscopy (XPS) was used to analyze samples of a commercial clay powder and a kaolin standard. Samples were analyzed both in the as-received condition and after heating to temperatures > or = to} 750 degrees C. There was a loss of water during heating that showed that there was a decrease in the O / (Al + Si) ratio and a decrease of 0.2 eV to 0.3 eV in the aluminum Auger parameter value. The silicon Auger parameter value was unchanged after heating.
Citation
Surface and Interface Analysis
Volume
27
Issue
No. 10

Keywords

Auger parameters, clay dehydration, x-ray photoelectron spectroscopy

Citation

Wittberg, T. and Wang, P. (1999), XPS Study of the Dehydration of Clay and Kaolin Powders, Surface and Interface Analysis (Accessed February 28, 2024)
Created September 30, 1999, Updated October 12, 2021